Patent US2765742A successfully refreshed from Google Patents.
US3315697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricated valve with means to relieve sealant pressure
Assignee: Cooper Industries LLC
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Filing: 1964-04-22
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Granted: 1967-04-25
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 John P Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:55
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/10; F16K27/107; F16K5/00; F16K5/06; F16K5/0663; F16K5/0673; F16K5/08; F16K5/22; F16K5/227; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4442; Y10T137/6198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A VALVE, COMPRISING A BODY HAVING A FLOWWAY THERETHROUGH, A VALVE MEMBER MOVABLE WITHIN THE BODY FOR OPENING AND CLOSING THE FLOWWAY, AN ANNULAR SEAT WITHIN THE FLOWWAY ON ONE SIDE OF THE VALVE MEMBER, SAID SEAT COMPRISING AN ANNULAR BODY HAVING A GROOVE ABOUT ITS INNER END, A PASSAGEWAY IN THE VALVE BODY CONNECTING THE EXTERIOR THEREOF WITH THE FLOWWAY, A PASSAGEWAY IN THE SEAT BODY CONNECTING THE EXTERIOR THEREOF WITH THE GROOVE, SEAL RINGS ENGAGING BETWEEN THE FLOWWAY AND THE EXTERIOR OF THE SEAT BODY ON OPPOSITE SIDES OF THE CONNECTIONS OF THE PASSAGEWAYS WITH THE FLOWWAY AND SEAT BODY EXTERIOR, RESPECTIVELY, TO CONFINE THE FLOW OF LUBRICANT FROM THE VALVE BODY PASSAGEWAY THROUGH THE SEAT BODY PASSAGEWAY INTO THE GROOVE AND PROVIDE AN OUTWARDLY FACING AREA
Claim 2
Dependent Claim
129 words
A VALVE, COMPRISING A BODY HAVING A FLOWWAY THERETHROUGH, A VALVE MEMBER MOVABLE WITHIN THE BODY FOR OPENING AND CLOSING THE FLOWWAY, AN ANNULAR SEAT WITHIN THE FLOWWAY ON ONE SIDE OF THE VALVE MEMBER, SAID SEAT COMPRISING AN ANNULAR BODY HAVING A GROOVE ABOUT ITS INNER END, A PASSAGEWAY IN THE VALVE BODY CONNECTING THE EXTERIOR THEREOF WITH THE FLOWWAY, A PASSAGEWAY IN THE SEAT BODY CONNECTING THE EXTERIOR THEREOF WITH THE GROOVE, SEAL RINGS ENGAGING BETWEEN THE FLOWWAY AND THE EXTERIOR OF THE SEAT BODY ON OPPOSITE SIDES OF THE CONNECTIONS OF THE PASSAGEWAYS WITH THE FLOWWAY AND SEAT BODY EXTERIOR, RESPECTIVELY, TO CONFINE THE FLOW OF LUBRICANT FROM THE VALVE BODY PASSAGEWAY THROUGH THE SEAT BODY PASSAGEWAY INTO THE GROOVE AND PROVIDE AN OUTWARDLY FACING AREA
References Cited (Backward Citations)
US3123078A
Cited
US2030458A
Cited
US2628060A
Cited
US2837308A
Cited
US3097823A
Cited
US3078865A
Cited
US3215157A
Cited
US3241808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |